a. [ Gr. &unr_; standing before, fr. &unr_; to set before; &unr_; before + &unr_; to set: cf. F. prostate. ] (Anat.) Standing before; -- applied to a gland which is found in the males of most mammals, and is situated at the neck of the bladder where this joins the urethra. -- n. The prostate gland. [ 1913 Webster ]
(n) a firm partly muscular chestnut sized gland in males at the neck of the urethra; produces a viscid secretion that is the fluid part of semen, Syn.prostate
(n) a protein manufactured exclusively by the prostate gland; PSA is produced for the ejaculate where it liquifies the semen and allows sperm cells to swim freely; elevated levels of PSA in blood serum are associated with benign prostatic hyperplasia and prostate cancer, Syn.PSA
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